Multi-zone heating uses Armstrong 116435MF-132 H-52 for medium-head hydronic circulation and residential boiler systems. Its 1/3 HP, 115 V single-phase motor operates at 1725 RPM, while the 5.25-inch impeller and modular three-piece construction support compatible flanged installation. Confirm the 225°F temperature limit, shaft alignment, system curve, and motor condition before startup.

The Armstrong Series 1050 H-52 uses a cast iron body, modular three-piece shaft design, and flanged connection. Its 5.25-inch impeller supports the specified hydraulic assembly, while verified data does not include GPM, maximum head, amp draw, seal material, dimensions, weight, thermal protection, or self-priming capability. Match the pump to the medium-head heating duty point before installation.

Key Features of Armstrong 116435MF-132 H-52

- 1/3 HP motor supports medium-head circulation and multi-zone hydronic heating.
- 115 V single-phase operation suits compatible residential boiler circuits.
- 1725 RPM operation supports the specified Series 1050 pump configuration.
- 5.25-inch impeller supports compatible medium-head heating system requirements.
- Cast iron body provides a rigid housing for hydronic circulation.
- Modular three-piece construction supports service access to pump components.
- Flanged connection supports compatible residential and commercial heating installations.
- 225°F maximum operating temperature supports approved hydronic heating applications.
- Flow, amperage, seal, dimensions, weight, protection, and warranty require confirmation.

Why Choose Armstrong 116435MF-132 H-52

This Armstrong medium-head hydronic pump combines modular construction with standard 115 V power for multi-zone heating.

- Build: Cast iron, modular shaft construction, and flanged installation support compatible boiler circulation.
- Value: Standard voltage and serviceable construction can simplify residential and light-commercial replacement work.
- Audience: Boiler contractors, residential HVAC technicians, hydronic installers, property managers, and heating service teams can specify this model.

Applications & Use Cases

Use the Armstrong 116435MF-132 H-52 for multi-zone hydronic heating, residential boilers, medium-head circulation, and compatible commercial heating loops. Physical dimensions, unit weight, and connection reach were not supplied, so verify flange spacing, valve clearance, motor access, wiring position, lifting room, and service clearance before installation.

Warranty & Support

- Warranty: Armstrong USA general terms provide 12 months from installation, not exceeding 18 months from shipment, for applicable non-E.2 products.
- Verify voltage, purge trapped air, inspect the impeller and seal, confirm alignment, and check system temperature during commissioning.

Clean strainers, monitor the cast iron body for leakage, and inspect the modular assembly during scheduled heating maintenance. Purchase the Armstrong 116435MF-132 H-52 medium-head hydronic pump from Mulmotor.com for authentic equipment, applicable factory warranty protection, and pump support.